diff --git a/src/main/java/konkuk/thip/comment/adapter/in/web/response/CommentForSinglePostResponse.java b/src/main/java/konkuk/thip/comment/adapter/in/web/response/CommentForSinglePostResponse.java
index 56ad5678a..16294294c 100644
--- a/src/main/java/konkuk/thip/comment/adapter/in/web/response/CommentForSinglePostResponse.java
+++ b/src/main/java/konkuk/thip/comment/adapter/in/web/response/CommentForSinglePostResponse.java
@@ -12,7 +12,7 @@ public record RootCommentDto(
             Long creatorId,
             String creatorProfileImageUrl,
             String creatorNickname,
-            String alias,
+            String aliasName,
             String aliasColor,
             String postDate,        // 댓글 작성 시각 (~ 전 형식)
             String content,
@@ -27,7 +27,7 @@ public record ReplyDto(
                 Long creatorId,
                 String creatorProfileImageUrl,
                 String creatorNickname,
-                String alias,
+                String aliasName,
                 String aliasColor,
                 String postDate,        // 댓글 작성 시각 (~ 전 형식)
                 String content,
diff --git a/src/main/java/konkuk/thip/comment/application/mapper/CommentQueryMapper.java b/src/main/java/konkuk/thip/comment/application/mapper/CommentQueryMapper.java
index b7661feb6..a60ae3ea3 100644
--- a/src/main/java/konkuk/thip/comment/application/mapper/CommentQueryMapper.java
+++ b/src/main/java/konkuk/thip/comment/application/mapper/CommentQueryMapper.java
@@ -23,14 +23,15 @@ public interface CommentQueryMapper {
     @Mapping(target = "isLike", expression = "java(likedCommentIds.contains(root.commentId()))")
     @Mapping(target = "isDeleted", constant = "false")
     @Mapping(target = "postDate", expression = "java(DateUtil.formatBeforeTime(root.createdAt()))")
-    CommentForSinglePostResponse.RootCommentDto toRoot(CommentQueryDto root,
-                                                       @Context Set<Long> likedCommentIds);
+    @Mapping(target = "aliasName", source = "root.alias")
+    CommentForSinglePostResponse.RootCommentDto toRoot(CommentQueryDto root, @Context Set<Long> likedCommentIds);
 
     /**
      * 개별 답글 매핑
      */
     @Mapping(target = "isLike", expression = "java(likedCommentIds.contains(child.commentId()))")
     @Mapping(target = "postDate", expression = "java(DateUtil.formatBeforeTime(child.createdAt()))")
+    @Mapping(target = "aliasName", source = "child.alias")
     CommentForSinglePostResponse.RootCommentDto.ReplyDto toReply(CommentQueryDto child, @Context Set<Long> likedCommentIds);
 
     /**
diff --git a/src/main/java/konkuk/thip/room/adapter/in/web/response/RoomGetMemberListResponse.java b/src/main/java/konkuk/thip/room/adapter/in/web/response/RoomGetMemberListResponse.java
index 9feef8915..1c031a928 100644
--- a/src/main/java/konkuk/thip/room/adapter/in/web/response/RoomGetMemberListResponse.java
+++ b/src/main/java/konkuk/thip/room/adapter/in/web/response/RoomGetMemberListResponse.java
@@ -14,7 +14,7 @@ public record MemberSearchResult(
                 Long userId,
                 String nickname,
                 String imageUrl,
-                String alias,
+                String aliasName,
                 int followerCount
         ) {}
 }
\ No newline at end of file
diff --git a/src/main/java/konkuk/thip/room/application/service/RoomGetMemberListService.java b/src/main/java/konkuk/thip/room/application/service/RoomGetMemberListService.java
index f31b87275..38a35814c 100644
--- a/src/main/java/konkuk/thip/room/application/service/RoomGetMemberListService.java
+++ b/src/main/java/konkuk/thip/room/application/service/RoomGetMemberListService.java
@@ -51,7 +51,7 @@ public RoomGetMemberListResponse getRoomMemberList(Long roomId) {
                             .userId(userId)
                             .nickname(user.getNickname())
                             .imageUrl(user.getAlias().getImageUrl())
-                            .alias(user.getAlias().getValue())
+                            .aliasName(user.getAlias().getValue())
                             .followerCount(user.getFollowerCount())
                             .build();
                 })
diff --git a/src/test/java/konkuk/thip/room/adapter/in/web/RoomGetMemberListApiTest.java b/src/test/java/konkuk/thip/room/adapter/in/web/RoomGetMemberListApiTest.java
index ea08d89eb..2d6df62db 100644
--- a/src/test/java/konkuk/thip/room/adapter/in/web/RoomGetMemberListApiTest.java
+++ b/src/test/java/konkuk/thip/room/adapter/in/web/RoomGetMemberListApiTest.java
@@ -151,17 +151,17 @@ void getRoomMemberList_success() throws Exception {
                 .andExpect(jsonPath("$.data.userList[0].userId").value(user1.getUserId().intValue()))
                 .andExpect(jsonPath("$.data.userList[0].nickname").exists())
                 .andExpect(jsonPath("$.data.userList[0].imageUrl").exists())
-                .andExpect(jsonPath("$.data.userList[0].alias").exists())
+                .andExpect(jsonPath("$.data.userList[0].aliasName").exists())
                 .andExpect(jsonPath("$.data.userList[0].followerCount").isNumber())
                 .andExpect(jsonPath("$.data.userList[1].userId").value(user2.getUserId().intValue()))
                 .andExpect(jsonPath("$.data.userList[1].nickname").exists())
                 .andExpect(jsonPath("$.data.userList[1].imageUrl").exists())
-                .andExpect(jsonPath("$.data.userList[1].alias").exists())
+                .andExpect(jsonPath("$.data.userList[1].aliasName").exists())
                 .andExpect(jsonPath("$.data.userList[1].followerCount").isNumber())
                 .andExpect(jsonPath("$.data.userList[2].userId").value(user3.getUserId().intValue()))
                 .andExpect(jsonPath("$.data.userList[2].nickname").exists())
                 .andExpect(jsonPath("$.data.userList[2].imageUrl").exists())
-                .andExpect(jsonPath("$.data.userList[2].alias").exists())
+                .andExpect(jsonPath("$.data.userList[2].aliasName").exists())
                 .andExpect(jsonPath("$.data.userList[2].followerCount").isNumber());
     }